WorksheetsAnother Quiz
Total questions: 20
Worksheet time: 10mins
Thunderstorms are most common in the
northwest US
southwest US
southeast US
northeast US
Name the three necessary ingredients for thunderstorm formation.
Lifting Mechanism, Fronts, Moisture
Moisture, Lifting Mechanism, Instability
Lifting Mechanism, Mountains, Oceans
Stability, Moisture, Heat
An air mass is unstable when cool dry air is near the surface and warm moist air is aloft
True
False
Where is terrain most likely to be a source of lift for thunderstorm development?
Great Plains
Corn belt
Rocky Mountains
Coastal plain
The first stage of a thunderstorm is the...
Cumulus stage
Mature stage
Dissipating stage
The most likely stage for large hail and damaging winds is the...
Cumulus stage
Mature stage
Dissipating stage
The type of thunderstorm that produces nearly all of the significant tornados is the...
Cluster storm
Squall line
Single cell
Supercell
The clouds in this image (at right) are most representative of what stage in the life of a thunderstorm?
Mature stage
Dissipating stage
Growth stage
Towering Cumulus stage
Define wind shear
a device that measures the direction of the wind
The change in wind direction and/or speed with change in height.
a quantity expressing the effective lowering of the air temperature caused by the wind
A SEVERE Thunderstorm is one that produces
Lightning
Wind gusts to 30 mph and pea size hail
Tornados
Flash floods
The #1 killer among thunderstorm hazards is...
Lightning
Lightning
Lightning
Flash flooding
The #2 killer among thunderstorm hazards is...
Lightning
Tornados
Large hail
Flash flooding
The most destructive weather element is...
Lightning
Tornados
Large hail
Flash flooding
Most flash flood deaths occur in homes
True
False
A highway overpass is a good place to take shelter from a tornado
True
False
Which state is not in tornado Alley?
Kansas
North Dakota
Nebraska
Texas
How long should you stay in shelter after the last thunder is heard?
10 minutes
20 minutes
30 minutes
60 minutes
Where is the safest place to be in a tornado?
basement
interior closet or bathroom
hallway
ditch or ravine
Most tornados are spawned by a special kind of thunderstorm called a _________________.
supercore
supercell
multicell
multicore
About how many tornados strike the U.S. each year?
800
1,000
1,300
2,000
